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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

37°F

3°C

Humidity 79%
Wind Speed NW 9 mph
Barometer 29.94 in (1015.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 2 May 8:54 pm EDT
Extended Forecast for

Brownstown PA

Freeze Warning May 2, 11:00pm until May 3, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost, mainly after 1am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 29. Light northwest wind.

    Low: 29 °F

    Mostly Cloudy
    then Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 58. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 58 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. Light southwest wind.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 56. Southwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

Detailed Forecast

Tonight
Widespread frost, mainly after 1am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 29. Light northwest wind.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 58. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 43. Light southwest wind.
Monday
Mostly sunny, with a high near 70. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 56. Southwest wind around 5 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 80%.
Thursday
Showers. High near 62. Chance of precipitation is 80%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brownstown PA
 40.34°N 78.92°W (Elev. 1388 ft)
Last Update:
8:05 pm EDT May 2, 2026
Forecast Valid:
9pm EDT May 2, 2026-6pm EDT May 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation